All networking tools in one place.
Filter by name, category, or keywords to find the exact calculator, generator, parser, or visualizer you need.
40 complete networking tools
Showing 40 of 40 tools
IP Addressing and Subnetting
IPv4 Subnet Calculator
Calculate CIDR, network, broadcast, host range, wildcard, and deployment values.
Open tool ->VLSM Planner
Allocate variable-length IPv4 subnets with boundary-safe planning output.
Open tool ->IPv6 Calculator
Analyze IPv6 prefixes, expanded/compressed notation, and subnet indexing.
Open tool ->CIDR to Subnet Mask Converter
Convert prefix lengths to mask, wildcard, binary, and host-capacity values.
Open tool ->Subnet Mask to CIDR Converter
Validate mask contiguity and convert dotted masks into CIDR notation.
Open tool ->IP Range Calculator
Count addresses, find smallest cover, and decompose exact IPv4 ranges.
Open tool ->IP Address Classification Tool
Classify IPv4 and IPv6 addresses by family and special-use range.
Open tool ->Wildcard Mask Calculator
Derive wildcard masks and binary comparisons from CIDR or masks.
Open tool ->Host Capacity Calculator
Find the smallest subnet prefix that satisfies your host requirement.
Open tool ->Subnet Comparison Tool
Compare two IPv4 CIDR values for overlap and summarization feasibility.
Open tool ->Routing
Route Summarization Calculator
Aggregate IPv4 routes into exact minimal summaries for cleaner routing.
Open tool ->Longest Prefix Match Visualizer
See all matching routes and exactly why one prefix wins forwarding.
Open tool ->Administrative Distance Reference
Search and compare common default administrative distances.
Open tool ->OSPF Cost Calculator
Compute OSPF interface cost and review high-speed collapse caveats.
Open tool ->EIGRP Metric Calculator
Calculate classic EIGRP metric with bandwidth and delay inputs.
Open tool ->BGP Best Path Learning Tool
Compare candidates across major BGP path-selection attributes.
Open tool ->Route Table Parser
Parse Cisco-style route output into structured fields locally.
Open tool ->Static Route Generator
Generate static route syntax with vendor-oriented validation notes.
Open tool ->Switching and VLANs
VLAN Configuration Generator
Create baseline VLAN and interface configuration snippets.
Open tool ->Trunk Allowed VLAN Calculator
Normalize, compare, expand, and compress trunk allow-lists.
Open tool ->STP Root Bridge Calculator
Determine STP root bridge by priority and MAC tie-break.
Open tool ->STP Port Role Visualizer
Adjust link costs and recalculate designated and alternate roles.
Open tool ->EtherChannel Configuration Generator
Generate LACP member and port-channel configuration snippets.
Open tool ->VLAN ID Validator
Validate normal, extended, reserved, and malformed VLAN values.
Open tool ->Voice VLAN Configuration Generator
Build access-port voice/data VLAN configuration with checks.
Open tool ->ACLs, Ports, and Security
Cisco ACL Builder
Create ordered standard and extended IPv4 ACL entries and syntax.
Open tool ->ACL Wildcard Visualizer
Inspect matching range, fixed bits, and ignored wildcard bits.
Open tool ->ACL Order Simulator
Simulate first-match processing and identify permit/deny outcomes.
Open tool ->TCP/UDP Port Reference
Search locally stored common services, protocols, and risk notes.
Open tool ->Port Range Formatter
Normalize and compress mixed individual and ranged port input.
Open tool ->Password Strength Estimator
Local-only entropy estimate with warnings for common patterns.
Open tool ->MAC Address Formatter
Convert MAC syntax and inspect multicast and local-admin bits.
Open tool ->Packets, Protocols, and Conversions
MAC Vendor Lookup
Look up vendors from local OUI data and analyze MAC table content.
Open tool ->Packet Flow Visualizer
Trace packet transitions across hosts, switches, and routed hops.
Open tool ->MTU and MSS Calculator
Estimate encapsulation overhead, payload limits, and TCP MSS.
Open tool ->Bandwidth Delay Product Calculator
Compute in-flight data and practical TCP window requirements.
Open tool ->Data Transfer Time Calculator
Estimate transfer duration from file size and effective throughput.
Open tool ->Binary, Decimal, and Hex Converter
Convert numeric bases with optional fixed-width binary padding.
Open tool ->IPv4 Binary Converter
Show IPv4 in binary, decimal, and hexadecimal octet views.
Open tool ->DNS Record Builder
Build normalized DNS records with validation and field guidance.
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